7285220

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{647}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 15349824

約数和(自身を除く): 8064604

約数列:

[1, 2, 4, 5, 10, 20, 563, 647, 1126, 1294, 2252, 2588, 2815, 3235, 5630, 6470, 11260, 12940, 364261, 728522, 1457044, 1821305, 3642610, 7285220]

約数ペア:

[(1, 7285220), (2, 3642610), (4, 1821305), (5, 1457044), (10, 728522), (20, 364261), (563, 12940), (647, 11260), (1126, 6470), (1294, 5630), (2252, 3235), (2588, 2815)]